These Precision NDIR Gas Filters have steeper sides (scan to the right) so they can have a narrower bandwidth. This makes them more accurate in measuring the measured gases in NDIR (Non Dispersive InfraRed).
![NDIR Gas Filters with high precision measurement](https://www.eoc-inc.com/wp-content/uploads/Precision-NDIR-Filters-2311_lg.png)
These Precision NDIR Gas Filters have steeper sides (scan to the right) so they can have a narrower bandwidth. This makes them more accurate in measuring the measured gases in NDIR (Non Dispersive InfraRed).